| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -simplify-mir -run-pass=finalize-isel %s -o - | FileCheck %s |
| --- | |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "arm-arm-none-eabi" |
| |
| ; Function Attrs: argmemonly nofree nosync nounwind willreturn |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg) |
| |
| define void @test1(i32* noalias %X, i32* noalias readonly %Y, i32 %n) { |
| entry: |
| %0 = bitcast i32* %X to i8* |
| %1 = bitcast i32* %Y to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %0, i8* align 4 %1, i32 %n, i1 false) |
| ret void |
| } |
| |
| define void @test2(i32* noalias %X, i32* noalias readonly %Y, i32 %n) { |
| entry: |
| %cmp6 = icmp sgt i32 %n, 0 |
| br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| %X.bits = bitcast i32* %X to i8* |
| %Y.bits = bitcast i32* %Y to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %X.bits, i8* align 4 %Y.bits, i32 %n, i1 false) |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.body.preheader, %entry |
| ret void |
| } |
| |
| ... |
| --- |
| name: test1 |
| tracksRegLiveness: true |
| body: | |
| bb.0.entry: |
| liveins: $r0, $r1, $r2 |
| |
| ; CHECK-LABEL: name: test1 |
| ; CHECK: liveins: $r0, $r1, $r2 |
| ; CHECK: [[COPY:%[0-9]+]]:rgpr = COPY $r2 |
| ; CHECK: [[COPY1:%[0-9]+]]:rgpr = COPY $r1 |
| ; CHECK: [[COPY2:%[0-9]+]]:rgpr = COPY $r0 |
| ; CHECK: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[COPY]], 15, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2BICri:%[0-9]+]]:rgpr = t2BICri killed [[t2ADDri]], 16, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2LSRri:%[0-9]+]]:gprlr = t2LSRri killed [[t2BICri]], 4, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2WhileLoopSetup:%[0-9]+]]:gprlr = t2WhileLoopSetup killed [[t2LSRri]] |
| ; CHECK: t2WhileLoopStart [[t2WhileLoopSetup]], %bb.2, implicit-def $cpsr |
| ; CHECK: .1: |
| ; CHECK: [[PHI:%[0-9]+]]:rgpr = PHI [[COPY1]], %bb.0, %8, %bb.1 |
| ; CHECK: [[PHI1:%[0-9]+]]:rgpr = PHI [[COPY2]], %bb.0, %10, %bb.1 |
| ; CHECK: [[PHI2:%[0-9]+]]:gprlr = PHI [[t2WhileLoopSetup]], %bb.0, %12, %bb.1 |
| ; CHECK: [[PHI3:%[0-9]+]]:rgpr = PHI [[COPY]], %bb.0, %14, %bb.1 |
| ; CHECK: [[MVE_VCTP8_:%[0-9]+]]:vccr = MVE_VCTP8 [[PHI3]], 0, $noreg |
| ; CHECK: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri [[PHI3]], 16, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[MVE_VLDRBU8_post:%[0-9]+]]:rgpr, [[MVE_VLDRBU8_post1:%[0-9]+]]:mqpr = MVE_VLDRBU8_post [[PHI]], 16, 1, [[MVE_VCTP8_]] |
| ; CHECK: [[MVE_VSTRBU8_post:%[0-9]+]]:rgpr = MVE_VSTRBU8_post killed [[MVE_VLDRBU8_post1]], [[PHI1]], 16, 1, [[MVE_VCTP8_]] |
| ; CHECK: [[t2LoopDec:%[0-9]+]]:gprlr = t2LoopDec [[PHI2]], 1 |
| ; CHECK: t2LoopEnd [[t2LoopDec]], %bb.1, implicit-def $cpsr |
| ; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg |
| ; CHECK: .2.entry: |
| ; CHECK: tBX_RET 14 /* CC::al */, $noreg |
| %2:rgpr = COPY $r2 |
| %1:rgpr = COPY $r1 |
| %0:rgpr = COPY $r0 |
| MVE_MEMCPYLOOPINST %0, %1, %2 |
| tBX_RET 14 /* CC::al */, $noreg |
| |
| ... |
| --- |
| name: test2 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-LABEL: name: test2 |
| ; CHECK: bb.0.entry: |
| ; CHECK: successors: %bb.1(0x50000000), %bb.2(0x30000000) |
| ; CHECK: liveins: $r0, $r1, $r2 |
| ; CHECK: [[COPY:%[0-9]+]]:rgpr = COPY $r2 |
| ; CHECK: [[COPY1:%[0-9]+]]:rgpr = COPY $r1 |
| ; CHECK: [[COPY2:%[0-9]+]]:rgpr = COPY $r0 |
| ; CHECK: t2CMPri [[COPY]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.2, 11 /* CC::lt */, $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| ; CHECK: bb.1.for.body.preheader: |
| ; CHECK: [[t2ADDri:%[0-9]+]]:rgpr = t2ADDri [[COPY]], 15, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2BICri:%[0-9]+]]:rgpr = t2BICri killed [[t2ADDri]], 16, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2LSRri:%[0-9]+]]:gprlr = t2LSRri killed [[t2BICri]], 4, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[t2WhileLoopSetup:%[0-9]+]]:gprlr = t2WhileLoopSetup killed [[t2LSRri]] |
| ; CHECK: t2WhileLoopStart [[t2WhileLoopSetup]], %bb.4, implicit-def $cpsr |
| ; CHECK: bb.3: |
| ; CHECK: [[PHI:%[0-9]+]]:rgpr = PHI [[COPY1]], %bb.1, %8, %bb.3 |
| ; CHECK: [[PHI1:%[0-9]+]]:rgpr = PHI [[COPY2]], %bb.1, %10, %bb.3 |
| ; CHECK: [[PHI2:%[0-9]+]]:gprlr = PHI [[t2WhileLoopSetup]], %bb.1, %12, %bb.3 |
| ; CHECK: [[PHI3:%[0-9]+]]:rgpr = PHI [[COPY]], %bb.1, %14, %bb.3 |
| ; CHECK: [[MVE_VCTP8_:%[0-9]+]]:vccr = MVE_VCTP8 [[PHI3]], 0, $noreg |
| ; CHECK: [[t2SUBri:%[0-9]+]]:rgpr = t2SUBri [[PHI3]], 16, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: [[MVE_VLDRBU8_post:%[0-9]+]]:rgpr, [[MVE_VLDRBU8_post1:%[0-9]+]]:mqpr = MVE_VLDRBU8_post [[PHI]], 16, 1, [[MVE_VCTP8_]] |
| ; CHECK: [[MVE_VSTRBU8_post:%[0-9]+]]:rgpr = MVE_VSTRBU8_post killed [[MVE_VLDRBU8_post1]], [[PHI1]], 16, 1, [[MVE_VCTP8_]] |
| ; CHECK: [[t2LoopDec:%[0-9]+]]:gprlr = t2LoopDec [[PHI2]], 1 |
| ; CHECK: t2LoopEnd [[t2LoopDec]], %bb.3, implicit-def $cpsr |
| ; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg |
| ; CHECK: bb.4.for.body.preheader: |
| ; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg |
| ; CHECK: bb.2.for.cond.cleanup: |
| ; CHECK: tBX_RET 14 /* CC::al */, $noreg |
| bb.0.entry: |
| successors: %bb.1(0x50000000), %bb.2(0x30000000) |
| liveins: $r0, $r1, $r2 |
| |
| %2:rgpr = COPY $r2 |
| %1:rgpr = COPY $r1 |
| %0:rgpr = COPY $r0 |
| t2CMPri %2, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.2, 11 /* CC::lt */, $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| bb.1.for.body.preheader: |
| successors: %bb.2(0x80000000) |
| |
| MVE_MEMCPYLOOPINST %0, %1, %2 |
| |
| bb.2.for.cond.cleanup: |
| tBX_RET 14 /* CC::al */, $noreg |
| |
| ... |